World Resorts Saint Lucia Castries Weather

Castries 7 Days Forecast

10.04
fri
Day
82°F
W 15 mph
Precip.
78%
Night
77°F
W 13 mph
Precip.
100%
11.04
sat
Day
82°F
W 14 mph
Precip.
100%
Night
79°F
W 14 mph
Precip.
75%
12.04
sun
Day
82°F
W 13 mph
Precip.
100%
Night
77°F
W 15 mph
Precip.
100%
13.04
mon
Day
82°F
W 16 mph
Precip.
84%
Night
77°F
W 14 mph
Precip.
82%
14.04
tue
Day
81°F
W 14 mph
Precip.
100%
Night
77°F
W 13 mph
Precip.
70%
15.04
wed
Day
81°F
W 17 mph
Precip.
72%
Night
77°F
W 11 mph
Precip.
100%
16.04
thu
Day
82°F
W 14 mph
Precip.
69%
Night
79°F
W 14 mph
Precip.
100%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 81.3°F. The highest and lowest sea temperatures during the month were 82.0°F and 80.6°F.

Air temperature in Castries, °F

Precipitation total in Castries, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Castries

Sunniest months:
December 4 days
March 4 days
September 4 days
Warmest months:
September 86.8 °F
October 86.0 °F
August 85.8 °F
Warmest sea temp:
September 84.8 °F
October 84.6 °F
August 84.0 °F
Coldest months:
January 81.8 °F
February 81.9 °F
March 82.1 °F
Rainiest months:
August 7 days
October 5 days
September 5 days
Windiest months:
June 15.7 mph
February 15.4 mph
January 15.0 mph

Castries on a weather map

Current weather
14:32
Castries
+82°F
W 14 mph
Feels like: +86°F
Precip.: 77%
Places in Saint Lucia:
Name
°F
Vieux Fort
+81°F
Castries
+82°F
24 Hours Forecast
Castries
Local time: 14:32
April 10, friday
1500
82°F
W
14 mph
1800
79°F
W
13 mph
2100
79°F
W
13 mph
April 11, saturday
0000
77°F
W
13 mph
0300
77°F
W
12 mph
0600
77°F
W
11 mph
0900
81°F
NW
12 mph
1200
82°F
W
14 mph
Units of measurement: °C / °F